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Installation Process of PVC Roofing Membranes

Views: 27     Author: Canlon     Publish Time: 2024-01-19      Origin:


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Today let's talk about the installation process of PVC roofing membranes.

PVC Roofing Membrane

Installation Process:

  • Substrate Preparation:

Ensure the roof deck is clean, dry, and free from debris.  Repair any existing damage or leaks on the roof surface.Verify that the roof deck is structurally sound and can support the PVC membrane.

  • Insulation Installation (if required):

Install insulation boards on the roof deck to enhance energy efficiency and provide a stable substrate for the PVC membrane.

  • Mechanical Attachments:

Mechanically fasten the insulation boards to the roof deck using screws or other approved fasteners.

  • Adhesive Application or Hot Air Welding:

Apply adhesive or use welder to secure the PVC roofing membrane to the substrate. The choice depends on the specific installation method recommended by the manufacturer.

  • Roll Out and Position the PVC Roofing Membrane:

Roll out the PVC membrane across the roof surface, ensuring proper alignment and avoiding wrinkles or bubbles. Position the membrane accurately, allowing for proper drainage and ensuring any overlaps are consistent with manufacturer guidelines.

  • Sealing:

Join the seams of the PVC membrane using hot air welding or solvent-based adhesives. This creates a watertight seal between the membrane sheets.

  • Flashing Installation:

Install flashing around roof penetrations, edges, and transitions to ensure water tightness.Use manufacturer-approved details for flashing, ensuring proper integration with the PVC membrane.

  • Detailing and Edging:

Pay close attention to details, such as corners, edges, and curbs, ensuring they are properly flashed and sealed. Install edge metal or termination bars as needed to secure the membrane at the roof perimeter.

  • Quality Control and Inspection:

Conduct a thorough inspection of the entire installation to ensure all seams, flashings, and details are correctly executed. Address any issues immediately to prevent future problems.

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